St. Martin, Ohio Demographics & Population 2026
During the 2020–2024 ACS period, St. Martin, Ohio had a total population of 171, the 1145th largest community in Ohio, with a median household income of $55,962, which is 22% lower than the state average. The poverty rate is 18.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 0.0% of adults have a bachelor's degree, well below the national average of 35.7%.
St. Martin Quick Facts
How St. Martin Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 133 | 171 | +28.6% |
How St. Martin Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
St. Martin Rankings in Ohio
Explore Ohio Rankings
Other Cities in Brown County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Mount Orab | 4,987 | $58,347 | 39.3% | $267,400 |
| Georgetown | 3,899 | $41,607 | 38.4% | $148,600 |
| Lake Lorelei | 1,746 | $114,201 | 3.2% | $289,200 |
| Ripley | 1,610 | $49,006 | 23.9% | $112,200 |
| Aberdeen | 1,517 | $45,484 | 32.1% | $171,400 |
| Lake Waynoka | 1,266 | $82,434 | 4.2% | $222,200 |
| Sardinia | 1,138 | $58,438 | 25.9% | $99,600 |
| Hamersville | 918 | $66,554 | 11.1% | $165,400 |
| Russellville | 717 | $65,268 | 27.3% | $111,500 |
| Fayetteville | 324 | $85,417 | 4.5% | $168,300 |
Cities Similar to St. Martin
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Little Hocking | 167 | N/A | $189,300 | 46.5% | 28.7% |
| Chatfield | 170 | $52,813 | $97,500 | 11.0% | 40.6% |
| Burgoon | 170 | $59,375 | $135,900 | 7.3% | 20.0% |
| St. Johns | 163 | N/A | $135,400 | 0.0% | 0.0% |
| Nettle Lake | 180 | N/A | $47,500 | 0.0% | 0.0% |
A note before these figures: with a population of 171, St. Martin's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
St. Martin is a small community located in Ohio, within Brown County. The total population is 171. It ranks as the 1145th most populous out of 1,264 Census-designated places in Ohio.
Age Demographics
The median age in St. Martin is 56.9 years. This is 43% higher than the state median of 39.7 years. Only 8.2% of residents are under 18, indicating fewer families with children.
Economy, Income & Housing
The median household income in St. Martin is $55,962. This is 22% lower than the state median of $71,389. It is also 31% lower than the national median of $80,734. The poverty rate stands at 18.3%. This is 38% higher than the state poverty rate of 13.3%. The survey records no unemployed residents in St. Martin, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $237,500. Housing costs are 11% higher than the state median of $214,800. The home-value-to-income ratio is 4.2x. 87.5% of occupied housing units are owner-occupied. This homeownership rate is 30% higher than the state average of 67.2%.
Race & Ethnicity
Every resident counted in St. Martin was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.
Education
0.0% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 87.0%.
Data Sources & Methodology
All demographic data for St. Martin, Ohio is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Ohio state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,264 Census-designated places in Ohio. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of St. Martin, Ohio?
St. Martin, Ohio has a population of 171 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Martin, OH?
The median household income in St. Martin is $55,962, which is 31% lower than the national median of $80,734.
What is the poverty rate in St. Martin, OH?
The poverty rate in St. Martin is 18.3%. This means approximately 30 residents live below the federal poverty line.
What is the racial makeup of St. Martin, Ohio?
St. Martin's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in St. Martin, OH?
The median home value in St. Martin is $237,500. The home-value-to-income ratio is 4.2x.
How educated is St. Martin, Ohio?
0.0% of adults (25+) in St. Martin hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.